How I Deploy an RTD FOG Server git1.3.0-RC-10_svn5955



  • This document assumes the following:
    A. My CentOS 7.2.1511 recipe (for solely running a FOG Server) ( https://forums.fogproject.org/topic/8231/my-centos-7-2-1511-recipe-for-solely-running-a-fog-server )
    B. How I Create a Ready-to-Deploy FOG Server git1.3.0-RC-10_svn5955 on CentOS 7. ( https://forums.fogproject.org/topic/8706/how-i-create-a-ready-to-deploy-fog-server-git1-3-0-rc-10_svn5955-on-centos-7-x-vm )
    C. I deploy to VM or Physical systems containing 2 HDD. One for the Server, the other for the images.
    D. I format HDD2 as NTFS from a Windows machine. We’re a Windows house and this allows me to easily disconnect and push/pull images when I cannot saturate a local network with large file transfers.

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    01> Prepare DHCP & DNS for FOG Server(s)
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    - Create IP Reservation in DHCP Scope
    - Set DHCP options 66/67 for ipxe "undionly.kpxe"
    - Create DNS
    

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    02a> Prepare Physical FOG Server Box
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    	i.	Flash and Program BIOS
    	ii.	Set PXE Boot first
    	iii.	Attach 80+ GB HDD to Controller Port 0
    	iv.	Attach 1 TB HDD to Controller Port 2 Pre-formatted From Windows as NTFS 
    	v.	Quick Image "CentOS7_FOG...RTD"
    	vi.	Shutdown when complete
    	vii.	Program BIOS / set Boot Order to HDD ONLY
    

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    02b> Prepare Windows Host for Portable Oracle VirtualBox Machine FOG Server
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    • On My Development FOG
    	i. 	Disk Management Create a 0.5 TB .VHD, NTFS, name: "xyzfogimages.vhd"
    	ii.	Copy Standard Images to .VHD
    	iii.	Detach .VHD
    
    • On a Windows Host
    	i.	Copy "xyzfogimages.vhd" to "C:\VirtualBox\"
    	ii.	Install "VirtualBox 5.0.18-106667"
    
    • On a VirtualBox
    	i.	Create a New Machine: xyzfog, Linux, Red Hat (64-bit), 2048 MB Memory, Create a virtual hard disk now, CREATE
    	ii.	Create Virtual Hard Disk: "xyzfog", 0.5 TB, VHD, Dynamically allocated, CREATE
    	iii.	Settings: System > Boot Order > Network ONLY
    	iv.	Settings: Audio > Disable
    	v.	Settings: Network > Attached to Bridged, Ethernet NIC, MAC Address: 01:23:45:67:89:AB (A Global MAC), OK
    	vi.	PXE Boot and QuickImage "CentOS7_FOG...RTD"
    	vii.	Shutdown when complete
    	viii.	Settings: System > Boot Order > Hard Disk ONLY
    	ix.	Settings: Storage > Controller SATA > Add Hard Disk "C:\VirtualBox\xyzfogimages.vhd"
    	x.	Settings: Storage > Controller IDE > Add Optical Drive "VBoxGuestAdditions_5.0.18.iso" to Controller IDE
    

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    03> Configure Oracle VirtualBox FOG Server
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    sudo su
    
    • Install Dynamic Kernel Module Support
    yum -y install dkms
    
    • Install Linux Development Tools
    yum -y groupinstall "Development Tools"
    
    • Install VirtualBox Guest Additions
      ( Mount CDROM device (the VBoxGuestAdditions_…iso) )
      ( Run VirtualBox Guest Additions Installer )
      ( Unmount CDROM device )
    mkdir /media/cdrom
    mount /dev/cdrom /media/cdrom
    sh /media/cdrom/VBoxLinuxAdditions.run
    umount /media/cdrom
    
    • Reboot to Commit
    reboot
    
    • Eject .ISO from VirtualBox Machine
    - VBox: Remove optical disk from virtual drive
    

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    04> Initial Configuration of Any Server
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    sudo su
    
    • Update Clock
    ntpdate ocsb.local
    
    • Verify Disk Space Usage
    cfdisk /dev/sda
    
    • Retrieve IPv4 MAC Address
    ip addr
    
    • Change System Identity of NIC to eth0 instead of UUID
    vim /etc/sysconfig/network-scripts/ifcfg-eth0
    
    Replace line:	UUID="blahblahblah"
    With:		HWADDR="00:21:86:ed:37:c5"
    
    • Rename the Server
      ( replace xyzfog with new hostname )
    echo xyzfog > /proc/sys/kernel/hostname
    sed -i.bak 's|127.0.1.1.*|127.0.1.1\t'"xyzfog"'|g' /etc/hosts
    echo xyzfog > /etc/hostname
    sysctl kernel.hostname=xyzfog
    
    • Display the current File System Table
    cat /etc/fstab
    sleep 3
    
    • Backup File System Table
    cp -f /etc/fstab /etc/fstab.bak
    
    • Append Persistent AutoMount Entry for Windows NTFS formatted HDD2 as /images
    • This /images Mount Point shadows the root directory of /images at next reboot
    if [ -b /dev/sdb1 ]; then
    mount /dev/sdb1 /mnt/temp
    echo -e "/dev/sdb1\t/images\tntfs\tdefaults\t0\t0" >> /etc/fstab
    ls -la /mnt/temp
    sleep 3
    umount /mnt/temp
    fi
    
    • Display the current File System Table
    cat /etc/fstab
    sleep 3
    
    • Reboot to Commit
    reboot
    

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    03> Install FOG here
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    sudo su
    
    • Set Permissions on Images directory that is now AutoMounted
    chmod -R 777 /images
    
    • Display Build of each FOG Repository
    grep FOG_VERSION /opt/trunkgit/fogproject/packages/web/lib/fog/system.class.php | sed "s/^[ \t]*define(.FOG_VERSION., .\([0-9\.]*\).);/FOG Version in GIT: \1/"
    grep FOG_VERSION /opt/trunksvn/fogproject/packages/web/lib/fog/system.class.php | sed "s/^[ \t]*define(.FOG_VERSION., .\([0-9\.]*\).);/FOG Version in SVN: \1/"
    
    • Install FOG from either the SVN or GIT repository
    cd /opt/trunkgit/fogproject/bin
    ./installfog.sh
    
    • or
    cd /opt/trunksvn/fogproject/bin
    ./installfog.sh
    

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    Installer Responses for a FOG-Only Installation
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    @ What version of Linux would you like to run the installation for?
    (1) Redhat Based Linux (Redhat, CentOS)
    @ What type of installation would you like to do?
    (N)ormal Server
    @ Would you like DHCP to handle DNS?
    N
    @ Would you like to use the FOG server for DHCP service?
    N
    @ ... Would you like to install the additional language packs?
    N
    @ Would you like to donate computer resources to the FOG Project?
    N
    @ Are you sure you wish to continue?
    Y
    @ Is the MySQL password blank?
    Y
    @ Press [Enter} key when database is updated/installed
    Browser visit http://x.x.x.x/fog/management
    Install/Upgrade Now
    @ Install / Update Successful!
    <enter - in terminal session>
    @ Setup complete!
    ... the initial Installation is complete
    

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    04> Post-Install Configurations
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    sudo su
    
    • Create script /bin/make_fog_portable and set Permissions
    echo '#!/bin/bash' > /bin/make_fog_portable
    echo '#' >> /bin/make_fog_portable
    echo '# make_fog_portable &' >> /bin/make_fog_portable
    echo '#' >> /bin/make_fog_portable
    echo '# This script is expected to be run as a job from /etc/rc.local' >> /bin/make_fog_portable
    echo '# It will wait until an IP address is found, then use that IP' >> /bin/make_fog_portable
    echo '# address to configure the FOG Server for that site.' >> /bin/make_fog_portable
    echo '#' >> /bin/make_fog_portable
    echo ' ' >> /bin/make_fog_portable
    chmod 755 /bin/make_fog_portable
    vim /bin/make_fog_portable
    
    • Add the following at the end; [ESC]:wq to write/quit
    • Change ThePassword to a password of your choice
    # Wait for IPv4 address
    IP=`ip addr list eth0 | grep "inet " |cut -d" " -f6|cut -d/ -f1`
    while [ -z $IP ]
    do
    	echo "Waiting :05 for an IP Address" > /dev/kmsg
    	sleep 5
    	IP=`ip addr list eth0 | grep "inet " |cut -d" " -f6|cut -d/ -f1`
    done
    
    # Update FOG-relevant MySQL entries with current IP address
    sleep 6
    echo "Updating IP address for FOG_TFTP_HOST to be $IP [`date`]" > /dev/kmsg
    mysql --user=root --password=ThePassword -e "UPDATE \`globalSettings\` SET \`settingValue\` = '$IP' WHERE \`settingKey\` ='FOG_TFTP_HOST';" fog
    
    echo "Updating IP address for FOG_WEB_HOST to be $IP [`date`]" > /dev/kmsg
    mysql --user=root --password=ThePassword -e "UPDATE \`globalSettings\` SET \`settingValue\` = '$IP' WHERE \`settingKey\` ='FOG_WEB_HOST';" fog
    
    echo "Updating IP address for FOG_WOL_HOST to be $IP [`date`]" > /dev/kmsg
    mysql --user=root --password=ThePassword -e "UPDATE \`globalSettings\` SET \`settingValue\` = '$IP' WHERE \`settingKey\` ='FOG_WOL_HOST';" fog
    
    echo "Updating IP address for Storage Node DefaultMember to be $IP [`date`]" > /dev/kmsg
    mysql --user=root --password=ThePassword -e "UPDATE \`nfsGroupMembers\` SET \`ngmHostname\` = '$IP' WHERE \`ngmMemberName\` ='DefaultMember';" fog
    
    # - Update FOG Host Configuration file generated at Install
    echo "Updating IP address in file .fogsettings to be $IP [`date`]" > /dev/kmsg
    sed -i.bak "s|ipaddress='.*\'|ipaddress='$IP'|g" /opt/fog/.fogsettings
    
    # - Update default.ipxe with current IP address
    echo "Updating IP address in file default.ipxe to be $IP [`date`]" > /dev/kmsg
    sed -i.bak "s|http://\([^/]\+\)/|http://$IP/|" /tftpboot/default.ipxe
    
    # CentOS 7+
    # echo "Restarting Critical FOG Services [`date`]" > /dev/kmsg
    # systemctl restart FOGImageReplicator FOGMulticastManager FOGPingHosts FOGScheduler FOGSnapinReplicator mariadb vsftpd httpd
    
    echo "Sleeping 10 seconds before releasing script [`date`]" > /dev/kmsg
    sleep 10
    


  • The reason I created the make_fog_portable script is because we have about 70 sites serviced by VirtualBox servers.

    The Oracle VirtualBox VM has a fixed MAC address.

    Each of these sites is on its own IP subnet with its own scope properties.

    That particular MAC address has an IP reservation, bootfile configuration and a DNS entry at every one of those sites/subnets. This allows any OVB VM to work at any site.

    The same goes with the physical servers. If we change the subnet for that site, the script would automatically reconfigure the server at next reboot.

    This has the added benefit of my being able to create a FOG server in my DEV environment, on my private scope and not have to worry about configuring the server with the IP of a foreign subnet; I just configure the name.



  • If you see something that I’ve done as blatantly wrong, not contrary to what you do but dead wrong, or you can expand upon what I’m doing, please do toss it up here.



    • Create FOG-mandatory files for imaging
    touch /images/{,dev/}.mntcheck
    
    • Update NFS Share Settings ( /etc/exports )
    • change /images entry from RO to RW for manual sync of images using rsync
    • change /images/dev entry from async to preferred safer sync
    sed -i.bak "s|ro,sync|rw,sync|g" /etc/exports
    sed -i "s|rw,async|rw,sync|g" /etc/exports
    
    sed -i.bak "s|;date.timezone =|date.timezone = Canada/Eastern|g" /etc/php.ini
    
    • Make Apache Default Web Page default to <servername>/ instead of <servername>/fog/
    • ie: use url http://xyzfog/
    • *if no reboot then: systemctl restart httpd.service
    sed -i.bak "s|DirectoryIndex index.html|DirectoryIndex /fog/index.php index.html|g" /etc/httpd/conf/httpd.conf
    sed -i.bak "s|/management|/fog/management|g" /var/www/html/fog/index.php
    
    • Make Fog IP blind
    • Replace fixed IP entries with System Variable
    • ‘DATABASE_HOST’,‘TFTP_HOST’,‘PXE_IMAGE_DNSADDRESS’,‘STORAGE_HOST’,‘WEB_HOST’,‘WOL_HOST’
    sed -i.bak "s|\".*\..*\..*\..*\"|\$_SERVER['SERVER_ADDR']|" /var/www/html/fog/lib/fog/config.class.php
    
    • Add Startup JOB call to /etc/rc.local for make_fog_portable and set Permissions
    cp -f /etc/rc.local /etc/rc.local.bak
    echo ' ' >> /etc/rc.local
    echo 'make_fog_portable' >> /etc/rc.local
    echo ' ' >> /etc/rc.local
    chmod 755 /etc/rc.local
    
    • Secure MySQL Database & Set Password
    • The password you use here is ThePassword you chose at “Update FOG-relevant MySQL entries with current IP address”
    mysql_secure_installation
    

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    Responses

    • Use ThePassword you defined at Create script /bin/make_fog_portable and set Permissions
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    - Enter current password for root:
    <enter>
    - Set root password?
    Y
    - New password:
    <The_Password>
    - Remove anonymous users?
    Y
    - Disallow root login remotely?
    Y
    - Remove test database and access to it?
    Y
    - Reload privilege tables now?
    Y
    
    • Change FOG References to MySQL Password
    sed -i.bak "s|snmysqlpass=''|snmysqlpass='ThePassword'|g" /opt/fog/.fogsettings
    sed -i.bak "s|DATABASE_PASSWORD', \"\"|DATABASE_PASSWORD', \"ThePassword\"|g" /var/www/html/fog/lib/fog/config.class.php
    
    • Establish PhP 7.x Repository
    rpm -Uvh http://rpms.remirepo.net/enterprise/remi-release-7.rpm
    yum-config-manager --enable remi-php70
    php -v
    
    • Clean & Update the OS (includes PhP 7.x installation)
    yum clean all
    yum makecache
    yum update -y
    
    • Clear history of typed commands
    history -c
    
    • Reboot to Commit
    reboot
    

    … and that is my FOG Server.


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